448557755844 has 48 divisors (see below), whose sum is σ = 1141990274880. Its totient is φ = 135901962240.

The previous prime is 448557755843. The next prime is 448557755869.

448557755844 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (448557755843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430012 + ... + 1040204.

It is an arithmetic number, because the mean of its divisors is an integer number (23791464060).

Almost surely, 2^448557755844 is an apocalyptic number.

448557755844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

448557755844 is an abundant number, since it is smaller than the sum of its proper divisors (693432519036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448557755844 is a wasteful number, since it uses less digits than its factorization.

448557755844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615780 (or 615778 counting only the distinct ones).

The product of its digits is 501760000, while the sum is 66.

The spelling of 448557755844 in words is "four hundred forty-eight billion, five hundred fifty-seven million, seven hundred fifty-five thousand, eight hundred forty-four".